Word: amino
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Dates: during 1970-1979
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According to Barghoorn, most researchers agree that amino acids are probably absent but that the story of porphyrins is still very unclear...
...existence of other more complex organic compounds such as amino acids-the basic building blocks of proteins-and porphyrins-related to hemoglobin, chlorophyll and some vitamins-is still open to debate. If these compounds exist, they are extremely rare and difficult to detect. This means contamination by terrestrial compounds is a real problem. Such contamination could occur if the sample containers leak, if the chemicals used in the test techniques are not absolutely pure, or if the rocket fuel burning produced complex organic contaminants...
Died. Dr. Donald Dexter Van Slyke. 88, clinical chemist; of cancer; in Garden City. N.Y. A major contributor to the study of amino-acid chemistry and kidney function. Van Slyke applied innovative analytical methods to both clinical and investigative medicine. He was known primarily for his work leading to the detection of acidosis (a condition often leading to diabetic coma) and his studies of kidney disease...
...diagram "Protein Synthesis," your artist showed the nucleic-acid fragment UGA as a "three-letter word" that "codes for one amino acid...
...code for an amino acid; it is one of the few combinations that tell the machine that makes proteins to bring an end to the protein chain, acting just like the period at the end of this sentence...